Rainleaf 16'x16'x16' Triangle Sun Shade Sail for UV Blocking, Outdoor, Dark Green Made of HDPE. Durable & widely-usable. Blocks up to 93-95% of UV rays while enjoying the sun. Weight up to 200g per square meters. Perfect for driveway, swimming pool, patio, backyards, courtyards, gardens,bedroom,deck,sailboat,gazebo. Breathable enough to let cool wind in while keeping hot away, and let water through without ponding after rain. Ready to hang up. Easy Installation and Cleaning. Won't rot, mildew or mold. 5 years warranty.